Building Blocks

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Pyrazolo[1,5-a]pyridin-4-ol is a heteroaromatic compound that acts as an inhibitor of phosphodiesterase (PDE). It prevents the breakdown of cyclic nucleotides and thus leads to increased levels of cAMP and cGMP. Pyrazolo[1,5-a]pyridin-4-ol has been shown to have bronchodilatory activity in animal models. The drug also inhibits the production of inflammatory mediators such as prostaglandins by inhibiting cyclooxygenases. In addition, pyrazolo[1,5-a]pyridin-4-ol has been shown to be a potential PDE inhibitor replacement for the more commonly used PDE inhibitors such as sildenafil and tadalafil. However, due to its lack of stereochemistry and its bicyclic chemical structure, pyrazolo[1,5-a]</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>2-Amino-4H,5H-naphtho[2,1-b]thiophene-1-carbonitrile is a dihydronaphthalene compound that has been shown to be active against influenza viruses. It inhibits the virus by binding to the pyrimidine ring of the virus's RNA polymerase. This inhibits viral replication and reduces plaque formation. 2-Amino-4H,5H-naphtho[2,1-b]thiophene-1-carbonitrile has antiviral activity against influenza A and is effective in inhibiting h5n1 virus replication.</p>

4,5-Dihydroxy-2,3-dihydro-1H-isoindole-1,3-dione is a molybdenum compound with a hydroxyl group. It has been shown to inhibit the growth of bacteria that are resistant to penicillin by binding to the penicillin-binding proteins in their cell wall. 4,5-Dihydroxy-2,3-dihydro-1H-isoindole-1,3-dione has been found to be an effective inhibitor of polymer film formation when used in conjunction with 3 chloroperoxybenzoic acid. This compound also has been shown to have anti bacterial properties against Escherichia coli and Pseudomonas aeruginosa. 4,5-Dihydroxy -2,3 -dihydro -1H -isoindole -1,3 -dione may also have environmental applications due its

<p>Versatile small molecule scaffold</p>

<p>3-[(2-Methyl-2-propen-1-yl)thio]-5H-1,2,4-triazino[5,6-b]indole is a recombinant protein that binds to the ribosomal protein L11. It has been shown to inhibit the biosynthesis of the bacterial cell wall and therefore inhibit replication of the bacterial genome. 3-[(2-Methyl-2-propen-1-yl)thio]-5H-1,2,4-triazino[5,6-b]indole also inhibits the synthesis of proteins essential for cell division. This compound has been shown to bind to ribosomes in both prokaryotic and eukaryotic cells. It may have potential as an inhibitor of cancerous cells because it inhibits protein synthesis in mammalian cells.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>1-Benzothiophene-6-carboxaldehyde (BTA) is a heterocyclic compound that contains sulfur. It is a colorless liquid with a sweet odor. BTA is used in the manufacture of pesticides, pharmaceuticals, and other organic chemicals. It is also used as a building block in the synthesis of other compounds and has been shown to have anti-inflammatory properties.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Quinoline-5-carbonitrile is a cyanide compound that can be used in the synthesis of heterocyclic compounds. The reaction between quinoline and 5-cyanovaleric acid produces 6-nitroquinoline, which is then converted to dimethyl sulfoxide by alcoholysis. This reaction product can then be used to synthesize an amide or nucleophile. Quinoline-5-carbonitrile reacts with potassium in the presence of bifunctional hydrazide to produce a cyanide ion, which can be hydrolyzed by an acid to release hydrogen cyanide gas. This experiment has been shown as a model for reactions involving cyano compounds.</p>

<p>Versatile small molecule scaffold</p>

<p>4-Chloro-2-methyl-5-nitroaniline is an organic compound with the chemical formula C6H4ClNO2. It is a nitro derivative of aniline. 4-Chloro-2-methyl-5-nitroaniline is a white solid that is soluble in water, alcohols, and ethers. It has a melting point around 206 °C and decomposes at temperatures over 350 °C. This compound can be obtained by reacting hydroxylamine with nitrous acid and chlorinating 2,5-dimethylaniline. The sequence of reactions can be summarized as follows: hydroxy group to nitro group, nitro group to methyl group, methyl group to acetyl or acetylamino, acetyl or acetylamino to acetylation or methylation, transformation from hydroxyl group to amino group and esterification from acid hydrazide to acid group.</p>

<p>Versatile small molecule scaffold</p>

<p>Versatile small molecule scaffold</p>

<p>Tert-butyl (2S)-2-aminohexanoate is an intermediate that is used in the synthesis of glycine by the reaction of benzyl bromide and tert-butyl amine. The stereospecifically incorporated tert-butyl group has a high degree of enantioselectivity, which makes this intermediate useful in the synthesis of glycine. Tert-butyl (2S)-2-aminohexanoate can be synthesized using lithium diisopropylamide and a tertiary amine as an alkylating agent.</p>

<p>Versatile small molecule scaffold</p>

<p>2-Bromo-3,3,3-trifluoro-1-propene is a chemical compound that has been synthesized in an asymmetric reaction. The reactant is bromopropane and the product is 2,2,2-trifluoropropene. The methylene group on the propene molecule is activated by the nucleophilic attack of a fluoride ion from hydrogen fluoride to form a cavity with a highly strained bond. The kinetic study of this reaction revealed that the activation energy for the reaction is 42 kJ/mol. Palladium-catalyzed coupling reactions are catalyzed by palladium and require nonpolar solvents such as toluene or dichloromethane. This type of reaction has been shown to be exothermic with an isolated yield of 1%.</p>

<p>Versatile small molecule scaffold</p>